OregonFlora: Psilocarphus brevissimus vs. Psilocarphus brevissimus var. brevissimus

	Psilocarphus brevissimus	Psilocarphus brevissimus var. brevissimus
	dwarf woollyheads	dwarf woollyheads
Habit		Plants 1–8 cm.
Stems		usually much branched from base and clump-forming, sometimes simple.
Cauline leaves		2–20 mm; distal, mostly lanceolate to ovate; widest in lower ?, usually 8–15 mm.
Receptacles		lobed.
Fruits		obovoid, 1–2 mm, brown.
Heads		largest 6–9 mm in diameter.
Outer paleae		8–100, 2.5–4 mm.
Inner corollas		0.8–1.6 mm; lobes usually 5.
2n		=28.

	Psilocarphus brevissimus	Psilocarphus brevissimus var. brevissimus
Distribution	[WildflowerSearch map] [BONAP county map]	[BONAP county map]
Discussion		Woodlands, grasslands, lakesides, alkaline flats, dry beds of vernal pools. Flowering May–Jul. 300–2000 m. BR, BW, ECas, Owy, Sisk. CA, ID, NV, WA; north to British Columbia, northeast to Saskatchewan, east to WY, southeast to UT, south to Mexico; South America. Native.
Source		Flora of Oregon, volume 2, page 328 Kenton Chambers
Sibling taxa	P. elatior, P. oregonus, P. tenellus
Subordinate taxa	P. brevissimus var. brevissimus
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Psilocarphus brevissimus var. brevissimus

dwarf woollyheads

Habit

Plants 1–8 cm.

Stems

usually much branched from base and clump-forming, sometimes simple.

Cauline leaves

2–20 mm; distal, mostly lanceolate to ovate; widest in lower ?, usually 8–15 mm.

Receptacles

lobed.

Fruits

obovoid, 1–2 mm, brown.

Heads

largest 6–9 mm in diameter.

Outer paleae

8–100, 2.5–4 mm.

Inner corollas

0.8–1.6 mm;

lobes usually 5.

=28.

Psilocarphus brevissimus var. brevissimus

Distribution

[WildflowerSearch map]

[BONAP county map]

Discussion

Woodlands, grasslands, lakesides, alkaline flats, dry beds of vernal pools. Flowering May–Jul. 300–2000 m. BR, BW, ECas, Owy, Sisk. CA, ID, NV, WA; north to British Columbia, northeast to Saskatchewan, east to WY, southeast to UT, south to Mexico; South America. Native.

Source

Flora of Oregon, volume 2, page 328
Kenton Chambers

Sibling taxa

P. elatior, P. oregonus, P. tenellus

Subordinate taxa

P. brevissimus var. brevissimus

Web links